81442285682688

Names of 81442285682688

• Cardinal: 81442285682688 can be written as Eighty-one trillion, four hundred forty-two billion, two hundred eighty-five million, six hundred eighty-two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 8.1442285682688 × 10¹³

Factors of 81442285682688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 1199

Divisors of 81442285682688

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 168 192 196 224 252 256 288 294 336 384 392 441 448 504 512 576 588 672 768 784 882 896 1008 1024 1152 1176 1187 1344 1536 1568 1764 1792 2016 2048 2304 2352 2374 2688 3072 3136 3528 3561 3584 4032 4096 4608 4704 4748 5376 6144 6272 7056 7122 7168 8064 8192 8309 9216 9408 9496 10683 10752 12288 12544 14112 14244 14336 16128 16384 16618 18432 18816 18992 21366 21504 24576 24927 25088 28224 28488 28672 32256 32768 33236 36864 37632 37984 42732 43008 49152 49854 50176 56448 56976 57344 58163 64512 65536 66472 73728 74781 75264 75968 85464 86016 98304 99708 100352 112896 113952 114688 116326 129024 131072 132944 147456 149562 150528 151936 170928 172032 174489 196608 199416 200704 225792 227904 229376 232652 258048 265888 294912 299124 301056 303872 341856 344064 348978 393216 398832 401408 451584 455808 458752 465304 516096 523467 531776 589824 598248 602112 607744 683712 688128 697956 797664 802816 903168 911616 917504 930608 1032192 1046934 1063552 1179648 1196496 1204224 1215488 1367424 1376256 1395912 1408969 1595328 1605632 1806336 1823232 1861216 2064384 2093868 2127104 2392992 2408448 2430976 2734848 2752512 2791824 2817938 3190656 3211264 3612672 3646464 3722432 4128768 4187736 4226907 4254208 4785984 4816896 4861952 5469696 5583648 5635876 6381312 6422528 7225344 7292928 7444864 8257536 8375472 8453814 8508416 9571968 9633792 9723904 9862783 10939392 11167296 11271752 12680721 12762624 14450688 14585856 14889728 16750944 16907628 17016832 19143936 19267584 19447808 19725566 21878784 22334592 22543504 25361442 25525248 28901376 29171712 29588349 29779456 33501888 33815256 34033664 38287872 38895616 39451132 43757568 44669184 45087008 50722884 51050496 57802752 58343424 59176698 59558912 67003776 67630512 68067328 69039481 76575744 77791232 78902264 87515136 88765047 89338368 90174016 101445768 102100992 116686848 118353396 119117824 134007552 135261024 136134656 138078962 153151488 155582464 157804528 175030272 177530094 178676736 180348032 202891536 204201984 207118443 233373696 236706792 238235648 268015104 270522048 272269312 276157924 306302976 315609056 350060544 355060188 357353472 360696064 405783072 408403968 414236886 466747392 473413584 476471296 536030208 541044096 544538624 552315848 612605952 621355329 631218112 700121088 710120376 714706944 721392128 811566144 816807936 828473772 946827168 952942592 1072060416 1082088192 1089077248 1104631696 1225211904 1242710658 1262436224 1400242176 1420240752 1429413888 1442784256 1623132288 1633615872 1656947544 1893654336 1905885184 2144120832 2164176384 2209263392 2450423808 2485421316 2524872448 2840481504 2858827776 2885568512 3246264576 3267231744 3313895088 3787308672 3811770368 4288241664 4328352768 4418526784 4900847616 4970842632 5049744896 5680963008 5717655552 5771137024 6492529152 6627790176 7574617344 7623540736 8576483328 8656705536 8837053568 9801695232 9941685264 10099489792 11361926016 11435311104 11542274048 12985058304 13255580352 15149234688 17152966656 17313411072 17674107136 19883370528 20198979584 22723852032 22870622208 23084548096 25970116608 26511160704 30298469376 34305933312 34626822144 35348214272 39766741056 40397959168 45447704064 46169096192 51940233216 53022321408 60596938752 68611866624 69253644288 70696428544 79533482112 80795918336 90895408128 92338192384 103880466432 106044642816 121193877504 138507288576 141392857088 159066964224 161591836672 181790816256 184676384768 207760932864 212089285632 242387755008 277014577152 282785714176 318133928448 323183673344 363581632512 415521865728 424178571264 484775510016 554029154304 565571428352 636267856896 646367346688 727163265024 831043731456 848357142528 969551020032 1131142856704 1272535713792 1292734693376 1454326530048 1662087462912 1696714285056 1939102040064 2262285713408 2545071427584 2908653060096 3393428570112 3878204080128 4524571426816 5090142855168 5817306120192 6786857140224 9049142853632 10180285710336 11634612240384 13573714280448 20360571420672 27147428560896 40721142841344 81442285682688
• Sum of all divisors σ(n): 273920124760191
• Sum of proper divisors (its aliquot sum) s(n): 192477839077503
• 81442285682688 is an abundant number, because the sum of its proper divisors (192477839077503) is greater than itself. Its abundance is 111035553394815

Bases of 81442285682688

• Binary: 10010100001001001000010100000100000000000000000₂
• Hexadecimal: 0x4A1242820000
• Base-36: SVA2I48W0

Squares and roots of 81442285682688

• 81442285682688 squared (81442285682688²) is 6632845897220566790222905344
• 81442285682688 cubed (81442285682688³) is 540194130450682408272583371437765843484672
• The square root of 81442285682688 is 9024537.9761341799
• The cube root of 81442285682688 is 43346.0956060689

Scales and comparisons

• 81,442,285,682,688 seconds is equal to 2,589,612 years, 39 weeks, 6 days, 6 hours, 4 minutes, 48 seconds.
• To count from 1 to 81,442,285,682,688 would take you about six million, four hundred seventy-four thousand and thirty-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 81442285682688 cubic inches would be around 3612.2 feet tall.

Recreational maths with 81442285682688

• 81442285682688 backwards is 88628658224418
• 81442285682688 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81442285682688's digits is 72
• More coming soon!